THE MEMBERSHIP AND DISTANCE OF THE OPEN CLUSTER COLLINDER 419
THE MEMBERSHIP AND DISTANCE OF THE OPEN CLUSTER COLLINDER 419
The young open cluster Collinder 419 surrounds the massive O star, HD 193322, that is itself a remarkable multiple star system containing at least four components. Here we present a discussion of the cluster distance based upon new spectral classifications of the brighter members, UBV photometry, and an analysis of …